Vols. 2 and 3 have title: The Latin works of Huldreich Zwingli (without "Correspondence" and the reference to "selections from his German works." These vols. were published by the Heidelberg Press, Philadelphia, in 1922 and 1929, as a continuation of the London edition after Jackson's death
Evidence reported by lindsayg for item latinworkscorres02zwin on June 13, 2008: visible notice of copyright; stated date is 1922.